NONLINEAR DIFFUSION PROCESS IN A BENARD SYSTEM AT THE CRITICAL-POINT FOR THE ONSET OF CONVECTION
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Data
1993-05-01
Autores
Kraenkel, Roberto André [UNESP]
Kurcbart, S. M.
Pereira, J. G.
Manna, M. A.
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Editor
American Physical Soc
Resumo
The evolution equation governing surface perturbations of a shallow fluid heated from below at the critical Rayleigh number for the onset of convective motion, and with boundary conditions leading to zero critical wave number, is obtained. A solution for negative or cooling perturbations is explicitly exhibited, which shows that the system presents sharp propagating fronts.
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Physical Review E. College Pk: American Physical Soc, v. 47, n. 5, p. 3303-3306, 1993.